A: Common symptoms include weak hydraulic power, slow machine response, unstable pressure, abnormal pump noise, overheating, and reduced excavator working efficiency. Early diagnosis helps prevent further hydraulic system damage.
A: Check the pump part number, mounting dimensions, hydraulic port connections, rotation direction, and system pressure requirements to ensure correct installation and stable operation.
A: Verify the original pump number, machine model, hydraulic system specifications, and existing pump information before purchasing. Accurate matching helps avoid incorrect replacement and installation problems.
A: The pump is designed for heavy-duty construction applications and provides stable hydraulic performance during long working hours, high-load excavation tasks, and demanding job site conditions.






















